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java_script_agent_spec.rb 7.3KB

    require 'spec_helper' describe Agents::JavaScriptAgent do before do @valid_params = { :name => "somename", :options => { :code => "Agent.check = function() { this.createEvent({ 'message': 'hi' }); };", } } @agent = Agents::JavaScriptAgent.new(@valid_params) @agent.user = users(:jane) @agent.save! end describe "validations" do it "requires 'code'" do @agent.should be_valid @agent.options['code'] = '' @agent.should_not be_valid @agent.options.delete('code') @agent.should_not be_valid end it "accepts a credential, but it must exist" do @agent.should be_valid @agent.options['code'] = 'credential:foo' @agent.should_not be_valid users(:jane).user_credentials.create! :credential_name => "foo", :credential_value => "bar" @agent.reload.should be_valid end end describe "#working?" do describe "when expected_update_period_in_days is set" do it "returns false when more than expected_update_period_in_days have passed since the last event creation" do @agent.options['expected_update_period_in_days'] = 1 @agent.save! @agent.should_not be_working @agent.check @agent.reload.should be_working three_days_from_now = 3.days.from_now stub(Time).now { three_days_from_now } @agent.should_not be_working end end describe "when expected_receive_period_in_days is set" do it "returns false when more than expected_receive_period_in_days have passed since the last event was received" do @agent.options['expected_receive_period_in_days'] = 1 @agent.save! @agent.should_not be_working Agents::JavaScriptAgent.async_receive @agent.id, [events(:bob_website_agent_event).id] @agent.reload.should be_working two_days_from_now = 2.days.from_now stub(Time).now { two_days_from_now } @agent.reload.should_not be_working end end end describe "executing code" do it "works by default" do @agent.options = @agent.default_options @agent.options['make_event'] = true @agent.save! lambda { lambda { @agent.receive([events(:bob_website_agent_event)]) @agent.check }.should_not change { AgentLog.count } }.should change { Event.count }.by(2) end describe "using credentials as code" do before do @agent.user.user_credentials.create :credential_name => 'code-foo', :credential_value => 'Agent.check = function() { this.log("ran it"); };' @agent.options['code'] = 'credential:code-foo' @agent.save! end it "accepts credentials" do @agent.check AgentLog.last.message.should == "ran it" end it "logs an error when the credential goes away" do @agent.user.user_credentials.delete_all @agent.reload.check AgentLog.last.message.should == "Unable to find credential" end end describe "error handling" do it "should log an error when V8 has issues" do @agent.options['code'] = 'syntax error!' @agent.save! lambda { lambda { @agent.check }.should_not raise_error }.should change { AgentLog.count }.by(1) AgentLog.last.message.should =~ /Unexpected identifier/ AgentLog.last.level.should == 4 end it "should log an error when JavaScript throws" do @agent.options['code'] = 'Agent.check = function() { throw "oh no"; };' @agent.save! lambda { lambda { @agent.check }.should_not raise_error }.should change { AgentLog.count }.by(1) AgentLog.last.message.should =~ /oh no/ AgentLog.last.level.should == 4 end it "won't store NaNs" do @agent.options['code'] = 'Agent.check = function() { this.memory("foo", NaN); };' @agent.save! @agent.check @agent.memory['foo'].should == 'NaN' # string @agent.save! lambda { @agent.reload.memory }.should_not raise_error end end describe "creating events" do it "creates events with this.createEvent in the JavaScript environment" do @agent.options['code'] = 'Agent.check = function() { this.createEvent({ message: "This is an event!", stuff: { foo: 5 } }); };' @agent.save! lambda { lambda { @agent.check }.should_not change { AgentLog.count } }.should change { Event.count }.by(1) created_event = @agent.events.last created_event.payload.should == { 'message' => "This is an event!", 'stuff' => { 'foo' => 5 } } end end describe "logging" do it "can output AgentLogs with this.log and this.error in the JavaScript environment" do @agent.options['code'] = 'Agent.check = function() { this.log("woah"); this.error("WOAH!"); };' @agent.save! lambda { lambda { @agent.check }.should_not raise_error }.should change { AgentLog.count }.by(2) log1, log2 = AgentLog.last(2) log1.message.should == "woah" log1.level.should == 3 log2.message.should == "WOAH!" log2.level.should == 4 end end describe "getting incoming events" do it "can access incoming events in the JavaScript enviroment via this.incomingEvents" do event = Event.new event.agent = agents(:bob_rain_notifier_agent) event.payload = { :data => "Something you should know about" } event.save! event.reload @agent.options['code'] = <<-JS Agent.receive = function() { var events = this.incomingEvents(); for(var i = 0; i < events.length; i++) { this.createEvent({ 'message': 'I got an event!', 'event_was': events[i].payload }); } } JS @agent.save! lambda { lambda { @agent.receive([events(:bob_website_agent_event), event]) }.should_not change { AgentLog.count } }.should change { Event.count }.by(2) created_event = @agent.events.first created_event.payload.should == { 'message' => "I got an event!", 'event_was' => { 'data' => "Something you should know about" } } end end describe "getting and setting memory, getting options" do it "can access options via this.options and work with memory via this.memory" do @agent.options['code'] = <<-JS Agent.check = function() { if (this.options('make_event')) { var callCount = this.memory('callCount') || 0; this.memory('callCount', callCount + 1); } }; JS @agent.save! lambda { lambda { @agent.check @agent.memory['callCount'].should_not be_present @agent.options['make_event'] = true @agent.check @agent.memory['callCount'].should == 1 @agent.check @agent.memory['callCount'].should == 2 @agent.memory['callCount'] = 20 @agent.check @agent.memory['callCount'].should == 21 }.should_not change { AgentLog.count } }.should_not change { Event.count } end end end end